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soldier1979 [14.2K]
3 years ago
5

Question 3 (1 point)

Chemistry
1 answer:
Serhud [2]3 years ago
3 0

Answer:solid

Explanation:

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A student submits the following work on the mass number, but he has made a few mistakes. Select the sentences that are incorrect
rewona [7]

Answer

 

Calculating the mass number for an atom requires that we know the atomic number and the number of protons in the atom’s nucleus. The mass number then gives us the average weight of atoms of a given element. However, as long as the number of protons equals the number of neutrons, the values balance out and we always obtain a whole number for the mass number.

Explanation:

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7 0
3 years ago
In a neutral solution, the concentration of H+ is
Elan Coil [88]

Answer:

1 x 10^-7 or 7

Explanation:

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pH+pOH=14

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3 years ago
20 POINTS!!!!
Ksju [112]
I think A. is the answer
5 0
3 years ago
50 pts! Please help, much appreciated (:
Korolek [52]

Answer:

because the number of constitutional confirmation , and geometric isomers goes up with each carbon atom added there are many more possible configurations and connectivities possible with decane , a 10 carbon chain , than with butane, a 4 carbon chain

4 0
3 years ago
How many pounds does 1.00 quart of mercury weight? its density is 13.6g/mL
Gala2k [10]
Two steps by inspection 1 qt = 0.25 gallons, 13.6 g/mL = 13.6 kg/L

0.25 gallon x 3.785411784 L/gallon x 13.6 kg/L x 1 lb/0.45359237 kg = 28.374 lb.

Hope this Helps!
5 0
3 years ago
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